package day2;

import java.util.Scanner;

public class code2 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int[] arr = new int[n + 1];
        for (int i = 0; i < n; i++) {
            arr[i] = in.nextInt();
        }

        int i = 0;
        int count = 0;
        while (i < n) {
            if (arr[i] > arr[i + 1]) {
                while (i < n && arr[i] > arr[i + 1]){
                    i++;
                }
                i++;
                count++;
            }else if(arr[i] == arr[i+1]){
                i++;
            }else{
                while(i < n && arr[i] < arr[i+1]){
                    i++;
                }
                i++;
                count++;
            }

        }
        System.out.println(count);
    }
}
